I have problems of my own for which you know nothing 错在哪？

I have problems myself which you know nothing.

请采纳，以此鼓励我一下。谢谢。

应该是把for 改为about 吧，因为应该是know about ,把about 提前了。

I have problems of my own of which you know nothing。of 和 about 都可以。

因为，you know nothing for the problems of my own 显然不通。